binutils-gdb/gas/config/tc-rx.h

/* tc-rx.h - header file for Renesas RX
   Copyright (C) 2008-2021 Free Software Foundation, Inc.

   This file is part of GAS, the GNU Assembler.

   GAS is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3, or (at your option)
   any later version.

   GAS is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with GAS; see the file COPYING.  If not, write to the Free
   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
   02110-1301, USA.  */

#define TC_RX

extern int target_big_endian;

#define LISTING_HEADER (target_big_endian ? "RX GAS BE" : "RX GAS LE")
#define LISTING_LHS_WIDTH 8
#define LISTING_WORD_SIZE 1

#define TARGET_ARCH bfd_arch_rx

/* Instruction bytes are big endian, data bytes can be either.  */
#define TARGET_BYTES_BIG_ENDIAN 0

#ifndef TE_LINUX
#define TARGET_FORMAT (target_big_endian ? "elf32-rx-be" : "elf32-rx-le")
#else
#define TARGET_FORMAT "elf32-rx-linux"
#endif

/* We don't need to handle .word strangely.  */
#define WORKING_DOT_WORD

/* Permit temporary numeric labels.  */
#define LOCAL_LABELS_FB 1
/* But make sure that the binutils treat them as locals.  */
#define LOCAL_LABEL_PREFIX '.'

/* Allow classic-style constants.  */
#define NUMBERS_WITH_SUFFIX 1

/* .-foo gets turned into PC relative relocs.  */
#define DIFF_EXPR_OK

#define md_end rx_md_end
extern void rx_md_end (void);

/* Note - the definition of MD_RELAX_FRAG here includes a reference to the
   MAX_ITERATIONS variable which is defined locally in write.c:relax_segment()
   but which is not normally passed to target specific relaxing code.  This
   reference is needed however as the number of iterations of the RX relaxing
   code needs to be constrained by the maximum number of iterations allowed
   by relax_segment().  See PR 24464 for more details.  */
#define md_relax_frag(SEG, FRAGP, STRETCH) \
  rx_relax_frag ((SEG), (FRAGP), (STRETCH), max_iterations)
extern int rx_relax_frag (segT, fragS *, long, unsigned long);

#define TC_FRAG_TYPE struct rx_bytesT *
#define TC_FRAG_INIT(fragp, max_bytes) rx_frag_init (fragp)
extern void rx_frag_init (fragS *);

/* Call md_pcrel_from_section(), not md_pcrel_from().  */
#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC)

/* RX doesn't have a 32 bit PCREL relocations.  */
#define TC_FORCE_RELOCATION_SUB_LOCAL(FIX, SEG) 1

#define TC_VALIDATE_FIX_SUB(FIX, SEG)		\
  rx_validate_fix_sub (FIX)
extern int rx_validate_fix_sub (struct fix *);

#define TC_CONS_FIX_NEW(FRAG, WHERE, NBYTES, EXP, RELOC)	\
  rx_cons_fix_new (FRAG, WHERE, NBYTES, EXP, RELOC)
extern void rx_cons_fix_new (fragS *, int, int, expressionS *,
			     bfd_reloc_code_real_type);

#define tc_fix_adjustable(x) 0

#define md_do_align(n, fill, len, max, around)				\
  if ((n)								\
      && !need_pass_2							\
      && (!(fill)							\
	  || ((char)*(fill) == (char)0x03 && (len) == 1))		\
      && subseg_text_p (now_seg))					\
    {									\
      frag_align_code ((n), (max));					\
      goto around;							\
    }

#define MAX_MEM_FOR_RS_ALIGN_CODE 8
#define HANDLE_ALIGN(FRAG) rx_handle_align (FRAG)
extern void rx_handle_align (fragS *);

#define RELOC_EXPANSION_POSSIBLE 1
#define MAX_RELOC_EXPANSION      4

#define elf_tc_final_processing	rx_elf_final_processing
extern void rx_elf_final_processing (void);

extern bool rx_use_conventional_section_names;
#define TEXT_SECTION_NAME	(rx_use_conventional_section_names ? ".text" : "P")
#define DATA_SECTION_NAME	(rx_use_conventional_section_names ? ".data" : "D_1")
#define BSS_SECTION_NAME	(rx_use_conventional_section_names ? ".bss"  : "B_1")

#define md_start_line_hook rx_start_line
extern void rx_start_line (void);